The board shall not have the authority to amend the articles, and shareholder approval of any amendment shall be required pursuant to s. 607.1003, if, as a result of the amendment, the rights or preferences of the holders of any outstanding class or series will be adversely affected, or the percentage of authorized shares remaining unissued after the share division or combination will exceed the percentage of authorized shares that was unissued before the division or combination.
Fla. Stat. § 607.10025